Blizzard have today announced that they will be expanding beta access for the StarCraft 2: Heart of the Swarm DLC that is set to release on March 12th 2012.

Anyone who have already purchased the expansion on Battle.net on or before December 18th will be able to download the beta client in waves from today with more waves added on a weekly basis.

However if you are a bit late, various source are claiming that Amazon are offering promotional beta key codes for gamers who pre-order the expansion.

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